Position control system and position control method

Details Position control system and position control method Position control system and position control method

1997-08-21

1999-06-08

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318593, 318578, 90 13C, B64C 1706

Patent

active

059107219

ABSTRACT:
In a position control system, the positional deviation between the position of the control point of the controlled object and the target position is corrected in accordance with the change of the relative positional relationship between mechanically related control axes. The control axes include a main shaft stand and a main shaft. The main shaft stand is supported by a column so that it can move in a vertical direction and is driven by the rotation of a screw shaft. The main shaft is provided on the main shaft stand so that the main shaft stand can move in a horizontal direction. The positional deviation of the main shaft from the target position in the vertical direction is calculated in accordance with the horizontal position of the main shaft with respect to the main shaft stand at the time of the position control. The position of the main shaft from the target position in the vertical direction is corrected based on the positional deviation.

REFERENCES:
patent: 3688642 (1972-09-01), Negoro
patent: 4843293 (1989-06-01), Futami
patent: 4945501 (1990-07-01), Bell et al.

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